Pay station circuits for automatic telephone systems,申请号US19480005954-传众专利搜索

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发明名称	Pay station circuits for automatic telephone systems
摘要
申请公布号	US2583783(A)	申请公布日期	1952.01.29
申请号	US19480005954	申请日期	1948.02.03
申请人	AUTOMATIC ELECTRIC LABORATORIES, INC.	发明人	LOMAX CLARENCE E.;WILD JOHN M.
分类号	H04M17/02	主分类号	H04M17/02
代理机构		代理人
主权项
地址

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